Nemrem, known as Zengage in North America and Somnium in Japan, is a puzzle video game developed by Skip Ltd. and published by Nintendo for the Nintendo DSi's DSiWare digital distribution service.
The game involves players sliding colored tiles on a game board in order to match the positions of colored balls resting on the same board.
Some puzzles in higher level stages may feature obstacles that could send some color balls bouncing elsewhere or stuck, etc.
NEMREM was announced for the DSiWare service on January 28, 2009, and released two days later alongside Art Style: Picopict, another title in the Art Style series.
Nemrem received mixed reviews from critics upon release. On Metacritic, the game holds a score of 65/100 based on 5 reviews, indicating "mixed or average reviews."